145405122711 has 16 divisors (see below), whose sum is σ = 202312007424. Its totient is φ = 92717877824.

The previous prime is 145405122703. The next prime is 145405122713. The reversal of 145405122711 is 117221504541.

It is a cyclic number.

It is not a de Polignac number, because 145405122711 - 2³ = 145405122703 is a prime.

It is a super-2 number, since 2×145405122711² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145405122713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302915 + ... + 2365211.

It is an arithmetic number, because the mean of its divisors is an integer number (12644500464).

Almost surely, 2^145405122711 is an apocalyptic number.

145405122711 is a deficient number, since it is larger than the sum of its proper divisors (56906884713).

145405122711 is a wasteful number, since it uses less digits than its factorization.

145405122711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96150.

The product of its (nonzero) digits is 11200, while the sum is 33.

The spelling of 145405122711 in words is "one hundred forty-five billion, four hundred five million, one hundred twenty-two thousand, seven hundred eleven".